Just for curiosity's sake and for another thread I discussed the production rate achievable and commented on the claims of some loaders of excess of 250 rounds an hour on Lee's Turret Presses. That's doable. But can you keep it up indefinitely?

If a loader can drop one finished round every 15 seconds, that is 240 RPH (Rounds Per Hour) cyclical rate (3600 seconds divided by 15 seconds = 240). But you can't do that forever without interruptions. You have to stop every once in a while.

So, I knocked out a spreadsheet to allow comparing the two rates depending on the factors that separate the cyclical and sustained rates, namely; Interruptions for checking the powder drop, refilling powder hopper and primer feeder and to stretch your legs and bathroom breaks.

The first set of figures below, I believe, are reasonable for a smooth-running auto-indexing turret press with an automatic powder drop. For progressive presses, the figures are much higher but the principles are the same.

If the process is interrupted once
every 25 rounds for 45 seconds to check the powder drop and
every 100 rounds for 60 seconds to replenish the primer dispenser,
every 50 rounds for 10 seconds to replenish the powder hopper,
every hour for 5 minutes break to stretch your legs

A smooth-running turret press with an automatic powder drop
then 240 RPH cyclic/188 RPH sustained (205 RPH without a break).